Effect of astr agalus polysacchar ides on the prolifer ation and ultr astructur e of dog bone mar row stem cells induced into osteoblasts in vitro

XU Chun- jiao1, JIAN Xin- chun2, Guo Feng2, GAO Qing- ping2, PENG Jie- ying3, XU Xi - ping4

West China Journal of Stomatology . 2007, (05): 432 -436 .